Home / 91,937.41-137,914.04-25,377.55

Finding the Fourth Proportional to 91,937.41, 137,914.04 and 25,377.55

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Solution

The fourth proportional to 91,937.41, 137,914.04 and 25,377.55 is: 38,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,937.41 : 137,914.04 = 25,377.55 : x
  2. Step 2: Convert to fraction form
    91,937.41/137,914.04 = 25,377.55/x
  3. Step 3: Cross multiply
    91,937.41x = 137,914.04 × 25,377.55
  4. Step 4: Simplify right side
    91,937.41x = 3,499,920,445.80
  5. Step 5: Solve for x
    x = 3,499,920,445.80/91,937.41
  6. Step 6: Final answer
    x = 38,068.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.